Spinning pump



io' x-chargeports insuring against le used in theinanufacturejofartieialsilk-.and

s Vthe one portjto the other. i

v 1 Figure-y 1'isa` longitudinal sectionthrough-A provenients "inspinning pfunrps fof Y the "type,

the like.`

. 1 one of iheobjeas 5f the aven-,aa gai provide a novel forni ofcasingandrotorrml v suring long life'without appreeiablelosslofioperating efficiency.

f other obvide' a novel arrangement of intake-jan@ nge In theattaehedldrawings# v` a spinning pump madein accordance Withniy invention; i TFigure 2 is a transverse seetion onthe line' .i f 'a clicatedby thearrow iii-Fig. 2 l o Figi-'isiaisection of the casinglanvdfitstop headon the linej3-3, Fig 2. f

' Referring'to the drawings, the pump-'Corni' Y prises in a preferredform the usual'oasingL the upper portion of the Chamber of `which istaperedi Within the said` Chamber isinounta ed for `'rotation `a Vrotor2 `which is tapered` from near its lower end to itsupper end tocorrespond with the taperof the' said' chamber: The; easing has at oneend j ahead t through'f `which a reduced 4'extension `4: 4of the ,rotor2 projectstoreeeive on itsouter-enel an operating 'pinion -5`byjvfvfhioh thefrotor s rotatedv in countergcloekwise direction; asi

which'in the present instance khas formen;fon` the inner face thereof aSeat for 'an'` inclinedV cam 7. The cani 7 is operativelyconnectedinvWell "known manner with a; pluralityyof plungers 8 `whichI areadaptetlto slide longi'f tudinally in cylindrical bores or openingsj 9in the rotor 2, the cylindrical bores 'oropenl yings 9 communicatingattheir inner ends' with intake andy discharge channels Vl() Land' l1 inthe inner Wall of the casing l which are respectively connected with. anlntake portzl2 and aclischarge port `13 inthecasing." :1Com-A municationof the openings 97W1ththechan?v nels Y10 and l1 is effectedthroughlholeslOl; and 11` provided 4in1 the .rotor 2 in pairs; theopenings of each pairbeing locatedfone above 2 andhaving@infirmier@aheadiawhih' Contacts" `With a ball 1"6 ocoupyinga "centralvl-ingly-taperedffor reception th Avv'earjresulting either-iinxtheeasingor inthfe OlifwoirwlGCQimcaniaqoai? CORPORATION- on; PENNsYn-g The'.gene'ral' ',arrangement, which Willfbe;

i readily understood Ibythose"farnil iayrvsfitlli the n artt;1s-fs`iioh-E that with' {rotationlof :the'f rotor:` "2A through1theirnecliunn4 of thefpinin 'fth' g a pressurey Y''resiliently holdingthe lsaidfheaol 155: in" Contact Withthe jball 16, tliefro olfisv 7,5

. nybrmeasef'Saiscew19Mt '7 iloteelthat the* pres t sthereof2-is-epefediovafd' @femfwhich projects-:thrashwww tern al nohaniber of the oas this'` manlief, agwiu beep arent' thatfany rotorkoinpensatedfby f'r'eadjustmnt o-fthe tapered rotor; and .that thearrange-L f mentf thereby' provides vfor thefinaintenane f oi a ycloseyoperating "fiftbetvveen .the rotor and the casingvvhiehL-preventsfleakage and lossr offe'iioie'iicyoluetoWear:`

' '.lt will further be noted that the spring'l'Sj i functions inotj only5to' 1holcl the earn 7 v to 7 its seat",V but. also creates Eapressi,1rel lon the rotor atenjdnigto Afrceiaim@ its'ftapered een With-yin 1.their;asing,` :thereby-maintaining thef closev operating iitbetweenthe easing Sand the rotorv sin: spite :of any v'vear ielevelopingbetween these parts.; The Aconstruction insuresi long life vfon the pumpwithout lappreciable idiminution :in 113 ref the drawing i las,` V

so r

ee i

T. i "en f and resulting leakage. l A further novel Vand improvingstructural .theeiciencydue to Wearbetween the parts feature is found inthe'relative arrangement of the intake channel and the dischargechannel11'., :Itjvvill be noted-th-at-these chane- Anels are'y oii'setfrom eachotherflngitudinally n of the casing, which resultsin a materiallyincreased space between the acent'ends of Y directionis necessarilysmall, and,n'rlierej"as"v heretofore, the channels have been arranged;1n the same circumferential pflanethere ris a.

tendency for bypassin'gfbr'le'akage betvveen'' the hennela;pertielaltlylefter attendee lve'lopd between the.rotor#andithe Qasmgf-By oii'settingthe channelsgasf'describedl above,

. thef eective'spa'ce' f separating l the acent Vends of the* kchannelsvis Iumaiverially,increased faiidfth'e`` danger of :leakage at thispointfcorports.V communicate, -o

ligienewhehiis mananarenamed a; .j In -g aspiaam results fJ 'in'practical elimination of leakage between the, Perte, and in'alhghpperatmgefe cylindrical openings Ladapted to`l be brought intoalternate and successive communication v vith the said ports as therotor isrotated,

plungers insaid cylindrical openings, means ntheesine for reproeatorlethefplulgers as" the rtriisirtatedfpositi'vel means"preventingretraction of the rotor from its taperedseet inthe dmrebel;and@ a, aprire Tvviftlhaiasing' having a tapering chamber and intakeand. d.iedere@Portsv in Said tapered section; of an* axially* and'correspondingly tapering .rotorrotably seatelin said tapered section ofthe cli-amber 4vvhereby thelcontactf ing it ered; k surfaces'fdettarinine ,the p ositionf of the rotor laxially'in"the"casing,saidrotor having 1l ,cylindrical vopeningsg thereinV`tvithv ,ports the vl tapered section; adapted for z al.

, fpurilfth cnbihaail: V With a casingy having intake andI dischargetapered frotor molntedfin and seated'upon the tapered Wall o'f'sa/idwhereby the` contactingtapered surfaces determine .the pol sition of therotor axially in thelcasing, said l rotor having cylindrical openingsadapted ,to

a .eoriespendinglybe brought into alternate landy successive comp-lmunication Withthefsaid'ports as the rotor 1s rotated,v plungersinj saidcylindrical open? ings, and means in thecasingfor reciprocate, 'i Ying4the vplungers as the rotor is rotated.

'-2. .In. a,spinning pump, the :combination withl acasing havingintakearfd discharge ports and ataper'ed chamber with vvhichvsaid' portscommunicate; of an axially and [corre-1 chamber A and having f'cylindrical k iop'ellillgjS adaptedto be brought into alternate Yandsuclcessive communication; with' the: said.Y ports as ternate andvsuccessive communication vvithA the said `casing'ports asthejrotor`rotates,, .Pluneerslineaidylmdrlcalopenlnge means injthe casing forreciprocating .the plungerpv.

Y timed relation With thefrotative movement vof thefrotor, .and meansQrretaining the chamber circular in cross section and having;

pressurefteridin tofforeein thechamber andhaving cylindricalopenings;

WthJa-casing:haring: a Cylindrical chamber;

tapered; at ione-end' and Lhavlrta intkefend.

l p ondinglytaperedv rotcr mounted lin, theVA therotorisrotated,plungers@inL said cylindrical ',openingsr/means in the`casingfor re-` ciprocating the plungersl the rotor is ros tated, yand aspring holdinglthe Vrotor, -reeil'- ently against the tapered Wallofsaidj chami3; In a spinningpumpfthe combination vvithA a casing havingvintake-fandy discharge ports and a tapered chamber with' which saidports commun-icate,X'-Lofsv ani axially; and correspondingly tapered; vrotorl; lrotatably s aid vplungers to reciprocate the mounted inandseated upon thetapered Wall of said chamber y'vvhereb'yl thel contacting'taperedsurface's `det-,ermine-'vthe Aposition of the discharge Portsin'the tenerme, Wall;V Of e rotor. mounted inthe -Chamberfand beine te#pered axiallyat lealstjin-partto seat closelyy -againstthe-taperedvvallof the chamber,v said rotor haring @ylnjllrical@Peelings e therein with ports in the tapered section adapted toregister'with the saidc'asing portsas the ro torgrotates plungersinfsaidcylindrical open-4 ings, a camfseatedinrthe end off the chamberandadapted' foroperative engaoement with tlatter as the rotor rotates,cooperating means-between the. rotor andcamftoV hold the rotor and camtoV their respectiveseats7 {an'd Ymeans for rotating the rotor; v 1 ,j n

i, '7. lIn a? spinning pump, Y thel combination with a casingzrh'aving-ia cylindrical chamber tapered1at one lkend; and having.intake and discharge portslin they tapering Walhcf a rotormounted linthe chamber and being -ta. pere'd axially at least in.k part toV seatclosely y With said plungers `tojreciprooate the vlatter against thetapered Wall of the chamber, said y rotor having cylindrical dopeningstherein v I f 1 with ports in the tapered lsection adapted to -11 j I,register Awith thesaid casing ports as the rotor rotates, plungersinvsaid cylindrical openings; a cam seated in the end of the chamberand'adapted for operative vengagement as the vrotor rotates, anadjustable rodfleX-k tending longitudinally through the rotor to *l theexterior ,of thevoasing, 'a head slidahly j mounted in a recess intheinner end` of said 'j g rotor and having a bearing With the yinner endof saidrod, said head being also Loperaf v tively associated with theca-In,.a;s'pring in hack of said head and acting' through said` head toresiliently retain the'c'a'm'on its seat5 means for adjusting the rod in`the rotor v` against the innerend of said head 'andfor locking said rodin the adjusted position, and t `means for rotatingfthe'rotor.

- GHARLESW LAWSEB. f --f

